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Defektoskopy

DC Series

DC1–DC5 Dual Element Corrosion Transducers

A Complete Corrosion Monitoring Toolbox for Pipeline and Tank Integrity

Dual element transducers for pipeline and tank inspections

Olympus DC series (DC1–DC5) dual element transducers provide inspectors with a complete corrosion monitoring toolbox to support pipeline and tank inspection. Optimized for corrosion and thin materials, the transducers work with a wide variety of NDT instruments and ultrasonic inspection procedures.

All models provide a cleaner signal than single element transducers and offer less ring down than comparable models—helpful for resolving smaller defects, inspecting close to the surface, and differentiating between two indications.

DC1 and DC2 Transducers: Tough and Versatile for Tank and Pipeline Inspection

With a 7.5 MHz frequency and slight roof angle, DC1 and DC2 dual element transducers provide optimal near-surface resolution in the range of 0.030 –  2 in. (0.76 – 50.8 mm) in steel.

Key Benefits:

  • Ideal for coverage of thin materials
  • Excels at thickness measurement, corrosion mapping, and flaw sizing
  • Available in standard (DC1) and thick-walled (DC2) housings
  • Built to last even with frequent scrubbing due to thick-walled, wear-resistant housing (DC2)
  • Effective on pipes as small as 1 in. (25.4 mm) OD
  • Rated for elevated temperature pipe and tank inspections with a heat-resistant delay line up to 150 °C (300 °F)
  • Fits into small spaces: low profile (18 mm high) and 0.455 in. (DC1)/0.56 in. tip diameter (DC2)
  • Knurled case is easy to grip
  • Broad compatibility with unmolded BNC or LEMO connectors
  • Improved spring strain relief (BNC connector only) to minimize cable damage

DC1 duel element UT transducer

DC1

DC2 duel element UT transducer

DC2

DC3–DC5 Transducers: Inspect Thinner Materials and Go Beyond Corrosion Monitoring


The DC3, DC4, and DC5 dual element transducers expand your inspection capabilities. Thanks to 5 MHz frequencies and optimal element sizes/placement, inspectors can monitor corrosion of thinner material. The DC3 model with its high-angle design takes the series beyond corrosion monitoring and thickness measurement to include thin-wall pipe weld inspection and other applications, useful depth in steel of 0-0.6 in. (0-15.2 mm). DC4 and DC5 models offer optimal depth range in steel of 0.040-1.5 in. (1.02-38.1 mm).

Dual element transducer for fast pipe weld testing

DC3-DC5

DC3 Transducer: Fast Pipe Weld Testing and Thin-Wall Material Inspections

Built with a 5 MHz frequency and high-angle longitudinal wave, the DC3 dual element transducer provides optimal near-surface resolution for very thin materials ranging from 0–0.6 in. (0–15.24 mm).

Key Benefits:

  • High-angle longitudinal wave: inspect thin material beyond corrosion monitoring
  • Fast, reliable UT weld inspection tool for thin-wall pipes
  • Can perform a high-speed manual weld inspection similar to comparable models
  • Dual piezocomposite elements for increased energy
  • Acoustic noise barrier for pitch-catch technology prevents crosstalk
  • Fits into small spaces to inspect hard-to-access areas (e.g., boiler tubes)
  • Integrated wedges make the transducer compact
  • Microdot connectors work with various NDT instruments

Applications include:

  • High-speed manual inspection of thin-wall pipelines, boiler tubes, and other thin components
  • Planar flaw analysis and sizing
  • Distinguishing weld root geometry from indications
  • Pipeline long seam and girth weld inspection
  • Boiler tube welds
  • Pharmaceutical piping
  • Heat exchanger tubing
  • Thin-walled components in the nuclear industry

Dual element transducer for thin wall pipe inspection

Dual element transducer for thin wall pipe inspection

DC3

DC4 and DC5 Transducers: Optimized to Detect Flaws and Measure Thickness in Thin Materials

Manufactured at 5 MHz with slightly angled elements and a 0-degree longitudinal wave, the DC4 and DC5 dual element transducers offer enhanced thickness measurement and flaw detection in thin materials ranging from 0.040-1.5 in. (1.02-38.1 mm).

Key Benefits:

  • Optimal near-surface resolution for thin materials
  • Slight roof angle improves flaw detection and thickness measurement
  • Replaceable wedges lengthen the transducer’s useful life
  • Acoustic noise barrier for pitch-catch technology prevents crosstalk
  • Microdot connectors work with various NDT instruments

Dual element transducer for thin wall pipe inspection

DC4

Dual element transducer for thin wall pipe inspection

DC5

Mix and Match Transducers for Specific Inspection Criteria

Depending on your application, any one or a combination of these five transducers offers improved corrosion monitoring and defect sizing. As field inspections change, you can benefit from having the complete set with a total combined thickness range of 0–2 in. (0–50.8 mm), as well as an extra pipe weld inspection tool (DC3 model). Available to purchase separately or, for added convenience, the complete DC1-DC5 transducer lineup is available to purchase in a kit. For available kit options, see images and part numbers below.

DC-KIT-TOOLBOX thumbnail
DC-KIT-TOOLBOX
Compatible to instruments with Female BNC and or Female LEMO 00 T/R Ports
Q7790167
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote
DC-KIT-RP-TOOLBOX thumbnail
DC-KIT-RP-TOOLBOX
Compatible to instruments with Female BNC T/R Ports
Q7790168
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted BNC DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote
DC-KIT-RPL-TOOLBOX thumbnail
DC-KIT-RPL-TOOLBOX
Compatible to instruments with Female LEMO 00 T/R Ports
Q7790169
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted LEMO DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote

Pairing with the EPOCH™ 650 or 6LT flaw detectors or the 38DL PLUS™ thickness gauge* enables accurate, efficient corrosion mapping for evaluation of nominal wall thickness, pitting corrosion, and flaw type/size

*Due to roof angles, manual V-Path Correction may be required for DC1, DC2, DC4, and DC5.

Ordering Information

DC Series Transducer Specification and Dimensions

Item NumberPart CodeFrequency
(MHz)
Nominal Element SizeConnector TypeConnector LocationCable TypeExternal DimensionsTip
mmInchesLengthWidthHeight
Q3301830
Conventional Transducer, 5 MHz Dual Single Element, 12.7x25.4 mm Total Active Aperture, 0-Degree Longitudinal Wave, DC5 Case Type, 2X Right Microdot Connectors, Replaceable Wedges
Buy NowBuy NowRequest a Quote
5DS-12.7X25.4-0LW-DC5-RM-RW
512.7 x 25.40.5 x 1MicrodotRight AngleRight Angle Potted34.9 mm (1.37 in) 19.8 mm (0.78 in) 23.0 mm (0.91 in) 0.73 x 1.10 (in)
Q3301829
Conventional Transducer, 5 MHz Dual Single Element, 12.7x12.7 mm Total Active Aperture, 0-Degree Longitudinal Wave, DC4 Case Type, 2X Right Microdot Connectors, Replaceable Wedges
Buy NowBuy NowRequest a Quote
5DS-12.7X12.7-0LW-DC4-RM-RW
512.7 x 12.70.5 x 0.5MicrodotRight AngleRight Angle Potted19.2 mm (0.76 in) 19.8 mm (0.78 in) 21.3 mm (0.84 in) 0.59 x 0.50 (in)
Q3301828
Conventional Transducer, 5 MHz Dual Single Element, 5.08X7.62 mm Total Active Apertures, High-Angle Longitudinal Wave, DC3 Case Type, 2X Right Microdot Connectors
Buy NowBuy NowRequest a Quote
5DS-5.08X7.62-DC3-RM
55.08 x 7.620.2 x 0.3MicrodotRight AngleRight Angle Potted19.4 mm (0.76 in) 15.1 mm (0.59 in) 22.2 mm (0.87 in) 0.46 x 0.63 (in)
Q3300873
Standard Conventional Probe, 7.5 MHz Dual Single Element 0.375 Diameter, DC1 Case Type, 0-Degree Longitudinal Wave, 1 m Cable Length, 2X Right Potted BNC Connectors
Buy NowBuy NowRequest a Quote
7.5DS-0.375-0LW-DC1-P-1-RP
7.59.520.375BNCRight AngleRight Angle Potted14.73 mm (0.58 in) 18.54 mm (0.73 in) 0.455 in diameter
Q3300872
Standard Conventional Probe, 7.5 MHz Dual Single Element 0.375 Diameter, DC1 Case Type, 0-Degree Longitudinal Wave, 1 m Cable Length, 2X Right Potted Lemo 00 Connectors
Buy NowBuy NowRequest a Quote
7.5DS-0.375-0LW-DC1-P-1-RPL
7.59.520.375LEMO 00Right AngleRight Angle Potted14.73 mm (0.58 in) 18.54 mm (0.73 in) 0.455 in diameter
Q3300945
Standard Conventional Probe, 7.5 MHz Dual Single Element 0.375 Diameter, DC2 Case Type, 0-Degree Longitudinal Wave, 1 m Cable Length, 2X Right Potted BNC Connectors, Thick Wall Wear Resistant Housing
Buy NowBuy NowRequest a Quote
7.5DS-0.375-0LW-DC2-P-1-RP
7.59.520.375BNCRight AngleRight Angle Potted14.73 mm (0.58 in) 18.54 mm (0.73 in) 0.56 in diameter
Q3301219
Standard Conventional Probe, 7.5 MHz Dual Single Element, 0.375 Diameter, DC2 Case Type, 0-Degree Longitudinal Wave, 1 m Cable Length, 2X Right Potted Lemo 00 Connectors, Thick Wall Wear Resistant Housing
Buy NowBuy NowRequest a Quote
7.5DS-0.375-0LW-DC2-P-1-RPL
7.59.520.375LEMO 00Right AngleRight Angle Potted14.73 mm (0.58 in) 18.54 mm (0.73 in) 0.56 in diameter

Item Number Part Code
Q7000475
Standard Replacement Wedge Kit for DC4 Dual Single Element Conventional Transducer. Kit contains (2) Acrylic, 0° Refracted Angle, Longitudinal Wave Wedges (delay lines), (4) Wedge Mounting Screws, and (1) Acoustic Barrier (cork and brass).
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SDC4-0L REPLACEMENT WEDGE KIT
Q7000476
Standard Replacement Wedge Kit for DC5 Dual Single Element Conventional Transducer. Kit contains (2) Acrylic, 0° Refracted Angle, Longitudinal Wave Wedges (delay lines), (4) Wedge Mounting Screws, and (1) Acoustic Barrier (cork and brass).
Request a Quote
SDC5-0L REPLACEMENT WEDGE KIT

Item Part Number Part Code Kit Includes
Q7790167
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT.
Request a Quote
DC-KIT-TOOLBOX

1 Each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT

Q7790168
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted BNC DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT.
Request a Quote
DC-KIT-RP-TOOLBOX

1 Each: 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT

Q7790168
Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted LEMO DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT.
Request a Quote
DC-KIT-RPL-TOOLBOX

1 Each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT

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